$105 Cheap Frontier Airlines flights St. Louis (STL) to Cancun (CUN)

$105 Cheap Frontier Airlines flights St. Louis (STL) to Cancun (CUN)

Prices were available within the past 7 days and start at $105 for one-way flights and $233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 6 - Sun, Dec 7

STL

St. Louis

CUN

Cancun

$233 Roundtrip, found 1 hour ago

$233

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sat, Dec 6 from St. Louis to Cancun, returning Sun, Dec 7, priced at $233 found 1 hour ago

Sat, Dec 6 - Sun, Dec 7

STL

St. Louis

CUN

Cancun

$243 Roundtrip, found 1 hour ago

$243

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sat, Dec 6 from St. Louis to Cancun, returning Sun, Dec 7, priced at $243 found 1 hour ago

Sat, Dec 13 - Sun, Dec 14

STL

St. Louis

CUN

Cancun

$245 Roundtrip, found 1 hour ago

$245

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sat, Dec 13 from St. Louis to Cancun, returning Sun, Dec 14, priced at $245 found 1 hour ago

Sat, Dec 6 - Tue, Dec 16

STL

St. Louis

CUN

Cancun

$263 Roundtrip, found 7 hours ago

$263

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, Dec 6 from St. Louis to Cancun, returning Tue, Dec 16, priced at $263 found 7 hours ago

Sun, Dec 7 - Fri, Dec 12

STL

St. Louis

CUN

Cancun

$268 Roundtrip, found 6 hours ago

$268

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Sun, Dec 7 from St. Louis to Cancun, returning Fri, Dec 12, priced at $268 found 6 hours ago

Sat, Dec 13 - Thu, Dec 18

STL

St. Louis

CUN

Cancun

$269 Roundtrip, found 4 hours ago

$269

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Sat, Dec 13 from St. Louis to Cancun, returning Thu, Dec 18, priced at $269 found 4 hours ago